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举一反三
【单选题】For Hamming Distance, which one of the following statements is correct?
A.
The Hamming Distance of even parity check is 1
B.
The Hamming Distance of odd parity check is 2
C.
If the hamming distance is d, d+1 errors can be detected
D.
If the hamming distance is 2d, d errors can be corrected
【简答题】下列属于学生注意听讲的描述有() A.注目凝视 B.交头接耳 C.屏息静气 D.若有所思 E.侧耳倾听
【单选题】下列代谢过程和现象中，与碱基互补配对原则无关的是 [ ]
A.
蛋白质的合成过程
B.
DNA分子结构的稳定性
C.
遗传物质的复制，转录及表达
D.
体细胞内染色体成对存在
【单选题】which of the following statement about hamming code is correct?
A.
Hamming code can check error, but can’t correct it.
B.
If the syndrome word contains more than one bit set to 1, it indicate that the Hamming code is error and the data is correct.
C.
Hamming code can not only check error, but also can correct it. The precondition is that only one bit is error.
D.
If the data contains 12 bits, the hamming code should be 4 bits.
【单选题】在蛋白质合成过程中，信使RNA能够行使模板功能的结构基础是（）
A.
以DNA信息链为模板转录而成
B.
进入细胞质后同核糖体结合
C.
以密码子形式携带遗传信息
D.
转录遵循碱基互补配对原则
【单选题】Which of the following expressions is correct to calculate the fourth bit C4 of hamming code?
A.
C4=D1 ⊕ D2 ⊕ D4 ⊕ D5 ⊕ D7
B.
C4=D1 ⊕ D3 ⊕ D4 ⊕ D6 ⊕ D7
C.
C4=D2 ⊕ D3 ⊕ D4 ⊕ D8
D.
C4= D5 ⊕ D6 ⊕ D7 ⊕ D8
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